Knife and tool sharpener



FIG. 1 is a side elevational view of one side of a knife and tool sharpener, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view of the other side thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a perspective view thereof. 

The ornamental design for a knife and tool sharpener, as shown. 